sh: dmaengine support for sh7724.

Add a dmaengine platform device to sh7724, fix DMA channel interrupt numbers.

Signed-off-by: Guennadi Liakhovetski <[e-mail]>
Signed-off-by: Nobuhiro Iwamatsu <[e-mail]>
Signed-off-by: Paul Mundt <[e-mail]>

arch/sh/include/cpu-sh4/cpu/dma-sh4a.h

···
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) || \
       defined(CONFIG_CPU_SUBTYPE_SH7724)
 #define DMTE0_IRQ	48	/* DMAC0A*/
-#define DMTE4_IRQ	40	/* DMAC0B */
-#define DMTE6_IRQ	42
-#define DMTE8_IRQ	76	/* DMAC1A */
-#define DMTE9_IRQ	77
+#define DMTE4_IRQ	76	/* DMAC0B */
+#define DMTE6_IRQ	40
+#define DMTE8_IRQ	42	/* DMAC1A */
+#define DMTE9_IRQ	43
 #define DMTE10_IRQ	72	/* DMAC1B */
 #define DMTE11_IRQ	73
 #define DMAE0_IRQ	78	/* DMA Error IRQ*/

arch/sh/kernel/cpu/sh4a/setup-sh7724.c

···
 #include <linux/notifier.h>
 #include <asm/suspend.h>
 #include <asm/clock.h>
+#include <asm/dma-sh.h>
 #include <asm/mmzone.h>
 #include <cpu/sh7724.h>
+
+/* DMA */
+static struct sh_dmae_pdata dma_platform_data = {
+	.mode = SHDMA_DMAOR1,
+};
+
+static struct platform_device dma_device = {
+	.name	= "sh-dma-engine",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &dma_platform_data,
+	},
+};
 
 /* Serial */
 static struct plat_sci_port scif0_platform_data = {
···
 	&tmu3_device,
 	&tmu4_device,
 	&tmu5_device,
+	&dma_device,
 	&rtc_device,
 	&iic0_device,
 	&iic1_device,